HTTP response status code provides details whether a specific HTTP request has been successfully completed or not. There are 5 categories of responses and grouped as per the first digit of the response code.
1xx – Informational Responses
2xx – Successful Responses
3xx – Redirections
4xx – Client Errors
5xx – Server Errors
List of Status Codes
| Code | Description |
|---|---|
| 100 | Continue |
| 101 | Switching Protocol |
| 200 | OK |
| 201 | Created |
| 202 | Accepted |
| 203 | Non-authoritative information |
| 204 | No Content |
| 205 | Reset Content |
| 206 | Partial Content |
| 300 | Multiple Choices |
| 301 | Moved Permanently |
| 302 | Found |
| 303 | See Other |
| 304 | Not Modified |
| 305 | Use Proxy |
| 306 | Unused |
| 307 | Temporary Redirect |
| 400 | Bad Request |
| 401 | Unauthorized |
| 402 | Payment Required |
| 403 | Forbidden |
| 404 | Not Found |
| 405 | Method Not Allowed |
| 406 | Not Acceptable |
| 407 | Proxy Authentication Required |
| 408 | Request Timeout |
| 409 | Conflict |
| 410 | Gone |
| 411 | Length Required |
| 412 | Precondition Failed |
| 413 | Request Entity Too Large |
| 414 | Request-url Too Long |
| 415 | Unsupported Media Type |
| 416 | Requested Range Not Satisfiable |
| 417 | Expectation Failed |
| 500 | Internal Server Error |
| 501 | Not Implemented |
| 502 | Bad Gateway |
| 503 | Service Unavailable |
| 504 | Gateway Timeout |
| 505 | HTTP Version Not Supported |
Reference: https://support.microsoft.com/en-in/help/943891/the-http-status-code-in-iis-7-0-iis-7-5-and-iis-8-0
